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the error is within acceptable boundaries, it is distributed over the whole depth. The test results are plotted in either side view or top view. Method B The BIT is operated as in Method A, but instead of being mounted on the drilling bucket or grab it is mounted on top of the tube adapter. 2.3.
Maintenance, charging
3.3.1. Cleaning
After use clean the BIT components with clean water. Note that the BIT sensor is waterproof only when mounted on the cable with the special waterproof connector. If the tube adapter is used it should be thoroughly cleaned under the tap with a hard brush and let dry. After drying the wheels should be checked for free running and the bushings oiled lightly. 3.3.2. Charging The BIT comes with two power adapters: 1. A 12V nominal power adapter for charging the Main Unit from a 120­240 VAC wall socket. 2. A 5V nominal power adapter for charging the Depth Meter from a USB outlet or a cell­phone charger, this power adapter attaches to the respective device by suitable magnetic connectors. The magnetic polarity and different pole spacing prevent connecting the wrong adapter or the wrong polarity. When an adapter is attached to a device an orange LED lights up until the device is fully charged. General handling
2.4.
Software Setup
BIT is installed on any Android phone or tablet with Bluetooth support Minimal Android version supported: ​
2.2.x Recommended Android version: as high as possible, 4.2 and higher Avoid using Versions 4.0.1 to 4.0.4 (Ice Cream Sandwich) due to general Bluetooth problem with this version which Google fixed in later versions. To install BIT, visit Google Play market and search for “Piletest” here is a direct link https://play.google.com/store/apps/details?id=piletest.bit 3.
Calibrating the BIT
The BIT should be calibrated: ● Before the first use ● When replacing a smartphone/tablet (The calibration values are stored in the phone/tablet) ● After uninstalling/reinstalling ● Periodically ­ see below There are three items to be calibrated: 3.1.1.
Inclinometer calibration
Background: The BIT sensor has small internal inclination offsets in the X and Y directions. The calibration process measures and compensates for these offsets.